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import type { WorkBook } from 'xlsx';
import DOMPurify from 'dompurify';
import { getContext, onMount, tick } from 'svelte';
import { formatFileSize, getLineCount } from '$lib/utils';
import { WEBUI_API_BASE_URL } from '$lib/constants';
import { getKnowledgeById } from '$lib/apis/knowledge';
import { getFileById, getFileContentById } from '$lib/apis/files';
import CodeBlock from '$lib/components/chat/Messages/CodeBlock.svelte';
import Markdown from '$lib/components/chat/Messages/Markdown.svelte';
const i18n = getContext('i18n');
import Modal from './Modal.svelte';
import XMark from '../icons/XMark.svelte';
import Switch from './Switch.svelte';
import Tooltip from './Tooltip.svelte';
import dayjs from 'dayjs';
import Spinner from './Spinner.svelte';
export let item;
export let show = false;
export let edit = false;
let enableFullContent = false;
let loading = false;
let isPDF = false;
let isAudio = false;
let isExcel = false;
let selectedTab = '';
let excelWorkbook: WorkBook | null = null;
let excelSheetNames: string[] = [];
let selectedSheet = '';
let excelHtml = '';
let excelError = '';
let rowCount = 0;
$: isPDF =
item?.meta?.content_type === 'application/pdf' ||
(item?.name && item?.name.toLowerCase().endsWith('.pdf'));
$: isMarkdown =
item?.meta?.content_type === 'text/markdown' ||
(item?.name && item?.name.toLowerCase().endsWith('.md'));
$: isCode =
item?.name &&
(item.name.toLowerCase().endsWith('.py') ||
item.name.toLowerCase().endsWith('.js') ||
item.name.toLowerCase().endsWith('.ts') ||
item.name.toLowerCase().endsWith('.java') ||
item.name.toLowerCase().endsWith('.html') ||
item.name.toLowerCase().endsWith('.css') ||
item.name.toLowerCase().endsWith('.json') ||
item.name.toLowerCase().endsWith('.cpp') ||
item.name.toLowerCase().endsWith('.c') ||
item.name.toLowerCase().endsWith('.h') ||
item.name.toLowerCase().endsWith('.sh') ||
item.name.toLowerCase().endsWith('.bash') ||
item.name.toLowerCase().endsWith('.yaml') ||
item.name.toLowerCase().endsWith('.yml') ||
item.name.toLowerCase().endsWith('.xml') ||
item.name.toLowerCase().endsWith('.sql') ||
item.name.toLowerCase().endsWith('.go') ||
item.name.toLowerCase().endsWith('.rs') ||
item.name.toLowerCase().endsWith('.php') ||
item.name.toLowerCase().endsWith('.rb'));
$: isAudio =
(item?.meta?.content_type ?? '').startsWith('audio/') ||
(item?.name && item?.name.toLowerCase().endsWith('.mp3')) ||
(item?.name && item?.name.toLowerCase().endsWith('.wav')) ||
(item?.name && item?.name.toLowerCase().endsWith('.ogg')) ||
(item?.name && item?.name.toLowerCase().endsWith('.m4a')) ||
(item?.name && item?.name.toLowerCase().endsWith('.webm'));
$: isExcel =
item?.meta?.content_type === 'application/vnd.ms-excel' ||
item?.meta?.content_type ===
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' ||
item?.meta?.content_type === 'text/csv' ||
item?.meta?.content_type === 'application/csv' ||
(item?.name &&
(item.name.toLowerCase().endsWith('.xls') ||
item.name.toLowerCase().endsWith('.xlsx') ||
item.name.toLowerCase().endsWith('.csv')));
const loadExcelContent = async () => {
try {
excelError = '';
const [arrayBuffer, { read }] = await Promise.all([
getFileContentById(item.id),
import('xlsx')
]);
excelWorkbook = read(arrayBuffer, { type: 'array' });
excelSheetNames = excelWorkbook.SheetNames;
if (excelSheetNames.length > 0) {
selectedSheet = excelSheetNames[0];
await renderExcelSheet();
}
} catch (error) {
console.error('Error loading Excel/CSV file:', error);
excelError = $i18n.t('Failed to load Excel/CSV file. Please try downloading it instead.');
}
};
const renderExcelSheet = async () => {
if (!excelWorkbook || !selectedSheet) return;
const worksheet = excelWorkbook.Sheets[selectedSheet];
// Calculate row count
const XLSX = await import('xlsx');
const range = XLSX.utils.decode_range(worksheet['!ref'] || 'A1:A1');
rowCount = range.e.r - range.s.r + 1;
excelHtml = DOMPurify.sanitize(
XLSX.utils.sheet_to_html(worksheet, {
id: 'excel-table',
editable: false,
header: ''
})
);
};
$: if (selectedSheet && excelWorkbook) {
renderExcelSheet();
}
const loadContent = async () => {
selectedTab = '';
if (item?.type === 'collection') {
loading = true;
const knowledge = await getKnowledgeById(localStorage.token, item.id).catch((e) => {
console.error('Error fetching knowledge base:', e);
return null;
});
if (knowledge) {
item.files = knowledge.files || [];
}
loading = false;
} else if (item?.type === 'file') {
loading = true;
const file = await getFileById(localStorage.token, item.id).catch((e) => {
console.error('Error fetching file:', e);
return null;
});
if (file) {
item.file = file || {};
}
// Load Excel content if it's an Excel file
if (isExcel) {
await loadExcelContent();
}
loading = false;
}
await tick();
};
$: if (show) {
loadContent();
}
onMount(() => {
console.log(item);
if (item?.context === 'full') {
enableFullContent = true;
}
});
</script>
<Modal bind:show size="lg">
<div class="font-primary px-4.5 py-3.5 w-full flex flex-col justify-center dark:text-gray-400">
<div class=" pb-2">
<div class="flex items-start justify-between">
<div>
<div class=" font-medium text-lg dark:text-gray-100">
<a
href="#"
class="hover:underline line-clamp-1"
on:click|preventDefault={() => {
if (!isPDF && item.url) {
window.open(
item.type === 'file'
? item?.url?.startsWith('http')
? item.url
: `${WEBUI_API_BASE_URL}/files/${item.url}/content`
: item.url,
'_blank'
);
}
}}
>
{item?.name ?? 'File'}
</a>
</div>
</div>
<div>
<button
on:click={() => {
show = false;
}}
>
<XMark />
</button>
</div>
</div>
<div>
<div class="flex flex-col items-center md:flex-row gap-1 justify-between w-full">
<div class=" flex flex-wrap text-xs gap-1 text-gray-500">
{#if item?.type === 'collection'}
{#if item?.type}
<div class="capitalize shrink-0">{item.type}</div>
•
{/if}
{#if item?.description}
<div class="line-clamp-1">{item.description}</div>
•
{/if}
{#if item?.created_at}
<div class="capitalize shrink-0">
{dayjs(item.created_at * 1000).format('LL')}
</div>
{/if}
{/if}
{#if item.size}
<div class="capitalize shrink-0">{formatFileSize(item.size)}</div>
•
{/if}
{#if item?.file?.data?.content}
<div class="capitalize shrink-0">
{#if isExcel && rowCount > 0 && selectedTab === 'preview'}
{$i18n.t('{{COUNT}} Rows', {
COUNT: rowCount
})}
{:else}
{$i18n.t('{{COUNT}} extracted lines', {
COUNT: getLineCount(item?.file?.data?.content ?? '')
})}
{/if}
</div>
<div class="flex items-center gap-1 shrink-0">
• {$i18n.t('Formatting may be inconsistent from source.')}
</div>
{/if}
{#if item?.knowledge}
<div class="capitalize shrink-0">
{$i18n.t('Knowledge Base')}
</div>
{/if}
</div>
{#if edit}
<div class=" self-end">
<Tooltip
content={enableFullContent
? $i18n.t(
'Inject the entire content as context for comprehensive processing, this is recommended for complex queries.'
)
: $i18n.t(
'Default to segmented retrieval for focused and relevant content extraction, this is recommended for most cases.'
)}
>
<div class="flex items-center gap-1.5 text-xs">
{#if enableFullContent}
{$i18n.t('Using Entire Document')}
{:else}
{$i18n.t('Using Focused Retrieval')}
{/if}
<Switch
bind:state={enableFullContent}
on:change={(e) => {
item.context = e.detail ? 'full' : undefined;
}}
/>
</div>
</Tooltip>
</div>
{/if}
</div>
</div>
</div>
<div class="max-h-[75vh] overflow-auto">
{#if !loading}
{#if item?.type === 'collection'}
<div>
{#each item?.files as file}
<div class="flex items-center gap-2 mb-2">
<div class="flex-shrink-0 text-xs">
{file?.meta?.name}
</div>
</div>
{/each}
</div>
{/if}
{#if isAudio || isPDF || isExcel || isCode || isMarkdown}
<div
class="flex mb-2.5 scrollbar-none overflow-x-auto w-full border-b border-gray-50 dark:border-gray-850/30 text-center text-sm font-medium bg-transparent dark:text-gray-200"
>
<button
class="min-w-fit py-1.5 px-4 border-b {selectedTab === ''
? ' '
: ' border-transparent text-gray-300 dark:text-gray-600 hover:text-gray-700 dark:hover:text-white'} transition"
type="button"
on:click={() => {
selectedTab = '';
}}>{$i18n.t('Content')}</button
>
<button
class="min-w-fit py-1.5 px-4 border-b {selectedTab === 'preview'
? ' '
: ' border-transparent text-gray-300 dark:text-gray-600 hover:text-gray-700 dark:hover:text-white'} transition"
type="button"
on:click={() => {
selectedTab = 'preview';
}}>{$i18n.t('Preview')}</button
>
</div>
{/if}
{#if selectedTab === ''}
{#if item?.file?.data}
<div class="max-h-96 overflow-scroll scrollbar-hidden text-xs whitespace-pre-wrap">
{(item?.file?.data?.content ?? '').trim() || 'No content'}
</div>
{:else if item?.content}
<div class="max-h-96 overflow-scroll scrollbar-hidden text-xs whitespace-pre-wrap">
{(item?.content ?? '').trim() || 'No content'}
</div>
{/if}
{:else if selectedTab === 'preview'}
{#if isAudio}
<audio
src={`${WEBUI_API_BASE_URL}/files/${item.id}/content`}
class="w-full border-0 rounded-lg mb-2"
controls
playsinline
/>
{:else if isPDF}
<iframe
title={item?.name}
src={`${WEBUI_API_BASE_URL}/files/${item.id}/content`}
class="w-full h-[70vh] border-0 rounded-lg"
/>
{:else if isExcel}
{#if excelError}
<div class="text-red-500 text-sm p-4">
{excelError}
</div>
{:else}
{#if excelSheetNames.length > 1}
<div
class="flex mb-2.5 scrollbar-none overflow-x-auto w-full border-b border-gray-50 dark:border-gray-850/30 text-center text-sm font-medium bg-transparent dark:text-gray-200"
>
{#each excelSheetNames as sheetName}
<button
class="min-w-fit py-1.5 px-4 border-b {selectedSheet === sheetName
? ' '
: ' border-transparent text-gray-300 dark:text-gray-600 hover:text-gray-700 dark:hover:text-white'} transition"
type="button"
on:click={() => {
selectedSheet = sheetName;
}}>{sheetName}</button
>
{/each}
</div>
{/if}
{#if excelHtml}
<div class="excel-table-container overflow-auto max-h-[60vh]">
{@html excelHtml}
</div>
{:else}
<div class="text-gray-500 text-sm p-4">No content available</div>
{/if}
{/if}
{:else if isCode}
<div class="max-h-[60vh] overflow-scroll scrollbar-hidden text-sm relative">
<CodeBlock
code={item.file.data.content}
lang={item.name.split('.').pop()}
token={null}
edit={false}
run={false}
save={false}
/>
</div>
{:else if isMarkdown}
<div
class="max-h-[60vh] overflow-scroll scrollbar-hidden text-sm prose dark:prose-invert max-w-full"
>
<Markdown content={item.file.data.content} id="markdown-viewer" />
</div>
{:else}
<div class="max-h-96 overflow-scroll scrollbar-hidden text-xs whitespace-pre-wrap">
{(item?.file?.data?.content ?? '').trim() || 'No content'}
</div>
{/if}
{/if}
{:else}
<div class="flex items-center justify-center py-6">
<Spinner className="size-5" />
</div>
{/if}
</div>
</div>
</Modal>
<style>
:global(.excel-table-container table) {
width: 100%;
border-collapse: collapse;
font-size: 0.875rem;
line-height: 1.25rem;
}
:global(.excel-table-container table td),
:global(.excel-table-container table th) {
border-width: 1px;
border-style: solid;
border-color: var(--color-gray-300, #cdcdcd);
padding: 0.5rem 0.75rem;
text-align: left;
}
:global(.dark .excel-table-container table td),
:global(.dark .excel-table-container table th) {
border-color: var(--color-gray-600, #676767);
}
:global(.excel-table-container table th) {
background-color: var(--color-gray-100, #ececec);
font-weight: 600;
}
:global(.dark .excel-table-container table th) {
background-color: var(--color-gray-800, #333);
color: var(--color-gray-100, #ececec);
}
:global(.excel-table-container table tr:nth-child(even)) {
background-color: var(--color-gray-50, #f9f9f9);
}
:global(.dark .excel-table-container table tr:nth-child(even)) {
background-color: rgba(38, 38, 38, 0.5);
}
:global(.excel-table-container table tr:hover) {
background-color: var(--color-gray-100, #ececec);
}
:global(.dark .excel-table-container table tr:hover) {
background-color: rgba(51, 51, 51, 0.5);
}
</style>
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